code: def test_difference_dupe(self):
      result = FrozenList([1, 2, 3, 2]).difference([2])
      expected = FrozenList([1, 3])
      self.check_result(result, expected)
  
file_path: pandas/pandas/tests/indexes/test_frozen.py
imports: import re
  import pytest
  from pandas.core.indexes.frozen import FrozenList
label_desc: Use image node_id 11 for calling the TestFrozenList obj's underlying member method code with example usage: obj.test_difference_dupe() without return types